Service manual

3-5
JIF1 (IEEE1394 I/F)
No. Signal name Function Input/Output
1 VBUS IEEE1394: VBUS NC
2 GND IEEE1394: GND -
3 TPB1- IEEE1394: TPB1-signal Bus
4 TPB1+ IEEE1394: TPB1+signal Bus
5 TPA1- IEEE1394: TPA1-signal Bus
6 TPA1+ IEEE1394: TPA1-signal Bus
JLFT1 (Lift Cam Sensor [Photo Interrupter])
No. Signal name Function Input/Output
1 VSEN_5V Sensor power supply 5V Out
2 GND GND -
3 SNS_LIFT_UP CD-R lift-up sensor signal In
JINK1 (Ink Sensor [Platen Unit])
No. Signal name Function Input/Output
1 INK_PWM Ink PWM signal Out
2 GND GND -
3 AD_INK Ink sensor signal In
JMDA1 (Media Sensor [Sheet Feeder Unit])
No. Signal name Function Input/Output
1 - - -
2 MEDIA_PWM Media sensor PWM signal Out
3 GND GND -
4 MEDIA1_SNS Media sensor 1 signal In
5 MEDIA2_SNS Media sensor 2 signal In
JLFE2 (Paper Feed Motor & Timing Sensor Unit)
No. Signal name Function Input/Output
1 LF_L LF motor + Out
2 LF_LN LF motor - Out
3 GND GND -
4 LF_ENCA LF encoder phase A In
5 EVDD LF encoder drive power supply Out
6 LF_ENCB LF encoder phase B In
JCRM2 (Carriage Motor)
No. Signal name Function Input/Output
1 CR_L CR motor + Out
2 CR_LN CR motor - Out
JPGM2 (Purge Motor [Purge Unit])
No. Signal name Function Input/Output
1 PGA PG motor phase A+ Out
2 PGB PG motor phase B+ Out
3 PGA- PG motor phase A- Out
4 PGB- PG motor phase B- Out